AT&T Inc.’s first-quarter profit jumped 39% on strong wireless service and data revenue growth, as the telecom giant reported its best-ever increase in total wireless subscribers for the first three months of the year. Shares rose 1.6% to $30.80 in pre-market trading.

Global power producer AES Corp. has agreed to buy Ohio utility DPL Inc. for $3.5 billion, as utilities seek consolidation in the hope that greater scale will bring about efficiencies in an industry that says it is hamstrung by regulatory costs and slack electricity sales growth. AES will pay $30 per share in cash for DPL, the parent company of Ohio’s Dayton Power & Light Co., a regulated electric utility, a nearly 9% premium to the seller’s closing stock price of $27.59 on Tuesday. DPL’s shares rose 8.6% to $29.96 in pre-market trading.

Polaris Industries Inc.’s first-quarter profit more than doubled on sharp sales growth in all its major segments and expanded margins. The stronger-than-expected results prompted the producer of all-terrain vehicles and motorcycles to raise its 2011 profit outlook. Shares gained 9.7% to $100 in pre-market trading.

Textron Inc. swung to a first-quarter profit that fell short of analysts’ estimates as the company saw strength from most of its businesses, but its Cessna operation continued to struggle. Shares slumped 3% to $25.01 premarket.

Abbott Laboratories’ first-quarter earnings fell 14% amid restructuring and acquisition related charges, though the results were better than company estimates, as sales were aided by a weaker dollar and strong growth in emerging markets.

Altria Group Inc.’s first-quarter earnings rose 15%, in line with analysts’ estimates, as it again saw profit climb from both its cigarette and smokeless-tobacco segments, though cigarette volume continued to decline.